8149214523 has 4 divisors (see below), whose sum is σ = 10865619368. Its totient is φ = 5432809680.

The previous prime is 8149214471. The next prime is 8149214533. The reversal of 8149214523 is 3254129418.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 8149214523 - 2⁶ = 8149214459 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8149214533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1358202418 + ... + 1358202423.

It is an arithmetic number, because the mean of its divisors is an integer number (2716404842).

Almost surely, 2^8149214523 is an apocalyptic number.

8149214523 is a deficient number, since it is larger than the sum of its proper divisors (2716404845).

8149214523 is a wasteful number, since it uses less digits than its factorization.

8149214523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2716404844.

The product of its digits is 69120, while the sum is 39.

The square root of 8149214523 is about 90272.9999667675. Note that the first 4 decimals coincide. The cubic root of 8149214523 is about 2012.3580259039.

The spelling of 8149214523 in words is "eight billion, one hundred forty-nine million, two hundred fourteen thousand, five hundred twenty-three".